Advance HCT600A Heavy Duty Marine Gearbox 6.97:1 Reduction

Support heavy-trawler propulsion with the Advance HCT600A Heavy Duty Marine Gearbox 6.97:1 Reduction. This two-stage marine gearbox is specified for heavy trawlers and workboats, with a 6.97:1 reduction ratio, maximum input power of 945 HP (705 kW) at 2,100 RPM, and a maximum input speed of 2,100 RPM.

Model HCT600A-697 uses a hydraulic two-stage reducer clutch configuration and has a listed transmission capacity of 0.45 HP/RPM (0.33 kW/RPM). Its supplied drivetrain configuration includes SAE 00 and SAE 0 bell housing standards, 20,232 lbf (90,000 N) maximum propeller thrust, a 16.34-inch (415 mm) center distance, and a 10.6-gallon (40-liter) oil capacity.

Fitment and Propulsion Use

The Advance HCT600A-697 is specified for heavy trawlers and workboats. It supports propulsion systems requiring a 6.97:1 reduction ratio, subject to verification of engine rated torque, actual operating RPM, SAE bell housing interface, propeller-thrust requirement, and the complete drivetrain arrangement. Confirm fitment using the engine model, serial number, rated torque, operating RPM, reduction ratio, and manufacturer drivetrain documentation before ordering.

Before Ordering the Advance HCT600A

Verify that Advance model HCT600A-697 is correct for your heavy trawler or workboat propulsion application. Confirm the 6.97:1 reduction ratio, 0.45 HP/RPM (0.33 kW/RPM) transmission capacity, 945 HP (705 kW) maximum input power at 2,100 RPM, 2,100 RPM maximum input speed, hydraulic two-stage reducer clutch configuration, SAE 00/SAE 0 bell housing options, 20,232 lbf (90,000 N) maximum propeller thrust, 16.34-inch center distance, 10.6-gallon oil capacity, 31.7 x 43.1 x 50.0 inch dimensions, 3,527 lb dry weight, CCS/ZC approval, and 1-year limited warranty. Confirm compatibility with your engine manufacturer’s documentation before purchase.